Portion of a shoe upper



FIG. 1 is a first perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a second perspective view of a portion of a shoe upper thereof;

FIG. 3 is a side elevational view of one side thereof;

FIG. 4 is a side elevational view of the other side thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a front elevational view thereof.

The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 